Question 1

Which of the following lists the types of measurement in order from weakest to strongest?

Accepted Answer

A)  Nominal, ordinal, ratio 
B)  Ordinal, ratio, interval 
C)  Interval, nominal, ordinal 
D)  Ratio, interval, nominal 
A)  Nominal, ordinal, ratio 
B)  Ordinal, ratio, interval 
C)  Interval, nominal, ordinal 
D)  Ratio, interval, nominal A

Question 2

How is stability related to reliability in instrument testing?

Accepted Answer

Stability is one of the attributes that is used to determine the reliability of an instrument. If an instrument shows stability by repeatedly obtaining the same scores under the same circumstances, then the instrument is more likely to be reliable, returning consistent measurements over time.

Question 3

A nurse researcher measures participants' blood pressure readings early in the morning and late in the evening and compares the two readings. Which data collection method is the nurse using?

Accepted Answer

A)  Observation 
B)  Scale 
C)  Physiological measurement 
D)  Questionnaire 
A)  Observation 
B)  Scale 
C)  Physiological measurement 
D)  Questionnaire C

Question 4

Unstructured observation at a group home would most likely be a data collection method that is congruent with the research question for a researcher who is studying peer interactions between patients who are recovering from substance abuse.

Accepted Answer

A) True 
 B)False

Question 5

A digital garden rain gauge that inaccurately records an extra sixteenth of an inch of precipitation every 3 days when the lawn sprinklers are automatically turned on is an example of random measurement error.

Accepted Answer

A) True 
 B)False

Question 6

Which of the following statements describes the difference between interval measurement and ratio measurement?

Accepted Answer

A)  Ratio measurement is used for continuous data, whereas interval measurement is used for noncontinuous data. 
B)  Interval measurement uses numeric values with equal intervals, whereas ratio measurement uses numeric values with unequal intervals. 
C)  Interval measurement scales have a zero point that is not absolute, whereas ratio measurement scales have an absolute zero point. 
D)  Ratio measurement uses numeric values without fixed meaning, whereas interval measurement uses numeric values with fixed meaning. 
A)  Ratio measurement is used for continuous data, whereas interval measurement is used for noncontinuous data. 
B)  Interval measurement uses numeric values with equal intervals, whereas ratio measurement uses numeric values with unequal intervals. 
C)  Interval measurement scales have a zero point that is not absolute, whereas ratio measurement scales have an absolute zero point. 
D)  Ratio measurement uses numeric values without fixed meaning, whereas interval measurement uses numeric values with fixed meaning.

Question 7

What is the main difference between a systematic and a random measurement error in research?

Accepted Answer

A)  A systematic error shows a difference between the true and observed measurement. 
B)  A random error occurs in the same way each time with each measurement taken. 
C)  A systematic error shows there was one or more transient factors in the measurement. 
D)  A random error occurs with unpredictably or by chance during the measurement. 
A)  A systematic error shows a difference between the true and observed measurement. 
B)  A random error occurs in the same way each time with each measurement taken. 
C)  A systematic error shows there was one or more transient factors in the measurement. 
D)  A random error occurs with unpredictably or by chance during the measurement.

Question 8

A nurse who asks a patient to rate his or her pain level is most likely using which type of scale?

Accepted Answer

A)  Physiological 
B)  Visual analog 
C)  Multidimensional 
D)  Likert 
A)  Physiological 
B)  Visual analog 
C)  Multidimensional 
D)  Likert

Question 9

In which situation would the researcher most likely choose storytelling rather than interviewing as the method of data collection?

Accepted Answer

A)  The researcher has several predetermined questions that he or she wants all of the participants to answer. 
B)  The researcher has a personal experience related to the research topic that he or she can share with the participants. 
C)  The researcher wants to obtain in-depth information from the participants. 
D)  The researcher wants to be able to analyze the participants' nonverbal communication. 
A)  The researcher has several predetermined questions that he or she wants all of the participants to answer. 
B)  The researcher has a personal experience related to the research topic that he or she can share with the participants. 
C)  The researcher wants to obtain in-depth information from the participants. 
D)  The researcher wants to be able to analyze the participants' nonverbal communication.

Question 10

A nurse researcher asks several colleagues to evaluate a data collection tool to determine if the tool appears to measure the concept under study. Which type of validity is the nurse testing for?

Accepted Answer

A)  Predictive validity 
B)  Construct validity 
C)  Face validity 
D)  Criterion validity 
A)  Predictive validity 
B)  Construct validity 
C)  Face validity 
D)  Criterion validity

Question 11

In a study that examines the amount of empathy communicated by participants, which level of measurement would be used?

Accepted Answer

A)  Interval 
B)  Ratio 
C)  Ordinal 
D)  Nominal 
A)  Interval 
B)  Ratio 
C)  Ordinal 
D)  Nominal

Question 12

Which of the following statements accurately describes the relationship between stability and internal consistency?

Accepted Answer

A)  An instrument that demonstrates stability will also demonstrate internal consistency. 
B)  An instrument that demonstrates internal consistency will also demonstrate stability. 
C)  An instrument cannot demonstrate stability and internal consistency at the same time. 
D)  An instrument may demonstrate stability, internal consistency, or both at the same time. 
A)  An instrument that demonstrates stability will also demonstrate internal consistency. 
B)  An instrument that demonstrates internal consistency will also demonstrate stability. 
C)  An instrument cannot demonstrate stability and internal consistency at the same time. 
D)  An instrument may demonstrate stability, internal consistency, or both at the same time.

Question 13

What three attributes are used to determine the reliability of an instrument?

Accepted Answer

A)  Equivalence, stability, and internal consistency 
B)  Stability, validity, and accuracy 
C)  Stability, equivalence, and validity 
D)  Validity, accuracy, and internal consistency 
A)  Equivalence, stability, and internal consistency 
B)  Stability, validity, and accuracy 
C)  Stability, equivalence, and validity 
D)  Validity, accuracy, and internal consistency

Question 14

If the high and low groups in a known group instrument test score similarly, what can a researcher conclude about the instrument?

Accepted Answer

A)  The instrument should be reevaluated using divergent testing. 
B)  The instrument demonstrates convergent validity. 
C)  The instrument does not demonstrate construct validity. 
D)  The instrument is reliable but not valid. 
A)  The instrument should be reevaluated using divergent testing. 
B)  The instrument demonstrates convergent validity. 
C)  The instrument does not demonstrate construct validity. 
D)  The instrument is reliable but not valid.

Question 15

Describe two reasons why a researcher might prefer to gather data using interviews rather than self-administered questionnaires.

Accepted Answer

(1) Self-administered questionnaires do

Question 16

Three patients with tuberculosis who receive treatment at different facilities and have never been in contact with each other begin to exhibit a new cluster of symptoms not seen in other tuberculosis patients. Which method of collecting qualitative data about the phenomenon is most appropriate?

Accepted Answer

A)  Interview 
B)  Case study 
C)  Focus group 
D)  Questionnaire 
A)  Interview 
B)  Case study 
C)  Focus group 
D)  Questionnaire

Question 17

A new instrument and an established instrument yield scores that are highly correlated. What can a researcher conclude about the new instrument?

Accepted Answer

A)  The new instrument is not valid. 
B)  The new instrument has content validity. 
C)  The new instrument has construct validity. 
D)  The new instrument has criterion-related validity. 
A)  The new instrument is not valid. 
B)  The new instrument has content validity. 
C)  The new instrument has construct validity. 
D)  The new instrument has criterion-related validity.

Question 18

Which of the following would most likely be gathered using dichotomous measurement?

Accepted Answer

A)  Weight 
B)  Marital status 
C)  Exam scores 
D)  Educational level 
A)  Weight 
B)  Marital status 
C)  Exam scores 
D)  Educational level

Question 19

An instrument that demonstrates reliability also shows validity.

Accepted Answer

A) True 
 B)False

Question 20

The test scores of nursing students are calculated as percentages using a standard 100-point grading scale. The scores represent which type of measurement?

Accepted Answer

A)  Nominal 
B)  Ordinal 
C)  Interval 
D)  Ratio 
A)  Nominal 
B)  Ordinal 
C)  Interval 
D)  Ratio

Which of the following lists the types of measurement in order from weakest to strongest?

How is stability related to reliability in instrument testing?

A nurse researcher measures participants' blood pressure readings early in the morning and late in the evening and compares the two readings. Which data collection method is the nurse using?

Unstructured observation at a group home would most likely be a data collection method that is congruent with the research question for a researcher who is studying peer interactions between patients who are recovering from substance abuse.

A digital garden rain gauge that inaccurately records an extra sixteenth of an inch of precipitation every 3 days when the lawn sprinklers are automatically turned on is an example of random measurement error.

Which of the following statements describes the difference between interval measurement and ratio measurement?

What is the main difference between a systematic and a random measurement error in research?

A nurse who asks a patient to rate his or her pain level is most likely using which type of scale?

In which situation would the researcher most likely choose storytelling rather than interviewing as the method of data collection?

A nurse researcher asks several colleagues to evaluate a data collection tool to determine if the tool appears to measure the concept under study. Which type of validity is the nurse testing for?

In a study that examines the amount of empathy communicated by participants, which level of measurement would be used?

Which of the following statements accurately describes the relationship between stability and internal consistency?

What three attributes are used to determine the reliability of an instrument?

If the high and low groups in a known group instrument test score similarly, what can a researcher conclude about the instrument?

Describe two reasons why a researcher might prefer to gather data using interviews rather than self-administered questionnaires.

Three patients with tuberculosis who receive treatment at different facilities and have never been in contact with each other begin to exhibit a new cluster of symptoms not seen in other tuberculosis patients. Which method of collecting qualitative data about the phenomenon is most appropriate?

A new instrument and an established instrument yield scores that are highly correlated. What can a researcher conclude about the new instrument?

Which of the following would most likely be gathered using dichotomous measurement?

An instrument that demonstrates reliability also shows validity.

The test scores of nursing students are calculated as percentages using a standard 100-point grading scale. The scores represent which type of measurement?

What Is Evidence-Based Practice

Using Evidence Through Collaboration to Promote Excellence in Nursing Practice

Identifying Research Questions

Finding Sources of Evidence

Linking Theory, Research, and Practice

Key Principles of Quantitative Designs

Quantitative Designs: Using Numbers to Provide Evidence

Epidemiologic Designs: Using Data to Understand Populations

Qualitative Designs: Using Words to Provide Evidence

Using Samples to Provide Evidence

Other Sources of Evidence

What Do the Quantitative Data Mean

What Do the Qualitative Data Mean

Weighing in on the Evidence

Transitioning Evidence to Practice

Developing Oneself As an Innovator

Evaluating Outcomes of Innovations

Sharing the Insights With Others

Understanding Research Utilization and EBP Collaboration in Nursing Practice.

Filters

Exam 10: Collecting Evidence

Which of the following lists the types of measurement in order from weakest to strongest?

How is stability related to reliability in instrument testing?

A nurse researcher measures participants' blood pressure readings early in the morning and late in the evening and compares the two readings. Which data collection method is the nurse using?

Unstructured observation at a group home would most likely be a data collection method that is congruent with the research question for a researcher who is studying peer interactions between patients who are recovering from substance abuse.

A digital garden rain gauge that inaccurately records an extra sixteenth of an inch of precipitation every 3 days when the lawn sprinklers are automatically turned on is an example of random measurement error.

Which of the following statements describes the difference between interval measurement and ratio measurement?

What is the main difference between a systematic and a random measurement error in research?

A nurse who asks a patient to rate his or her pain level is most likely using which type of scale?

In which situation would the researcher most likely choose storytelling rather than interviewing as the method of data collection?

A nurse researcher asks several colleagues to evaluate a data collection tool to determine if the tool appears to measure the concept under study. Which type of validity is the nurse testing for?

In a study that examines the amount of empathy communicated by participants, which level of measurement would be used?

Which of the following statements accurately describes the relationship between stability and internal consistency?

What three attributes are used to determine the reliability of an instrument?

If the high and low groups in a known group instrument test score similarly, what can a researcher conclude about the instrument?

Describe two reasons why a researcher might prefer to gather data using interviews rather than self-administered questionnaires.

Three patients with tuberculosis who receive treatment at different facilities and have never been in contact with each other begin to exhibit a new cluster of symptoms not seen in other tuberculosis patients. Which method of collecting qualitative data about the phenomenon is most appropriate?

A new instrument and an established instrument yield scores that are highly correlated. What can a researcher conclude about the new instrument?

Which of the following would most likely be gathered using dichotomous measurement?

An instrument that demonstrates reliability also shows validity.

The test scores of nursing students are calculated as percentages using a standard 100-point grading scale. The scores represent which type of measurement?

What Is Evidence-Based Practice

Using Evidence Through Collaboration to Promote Excellence in Nursing Practice

Identifying Research Questions

Finding Sources of Evidence

Linking Theory, Research, and Practice

Key Principles of Quantitative Designs

Quantitative Designs: Using Numbers to Provide Evidence

Epidemiologic Designs: Using Data to Understand Populations

Qualitative Designs: Using Words to Provide Evidence

Using Samples to Provide Evidence

Other Sources of Evidence

What Do the Quantitative Data Mean

What Do the Qualitative Data Mean

Weighing in on the Evidence

Transitioning Evidence to Practice

Developing Oneself As an Innovator

Evaluating Outcomes of Innovations

Sharing the Insights With Others

Understanding Research Utilization and EBP Collaboration in Nursing Practice.

Filters